:root {
    --bg-color: #f1f5f9;
    --panel-bg: #ffffff;
    --accent-primary: #2563eb;
    --accent-hover: #1d4ed8;
    --text-main: #0f172a;
    --text-dim: #64748b;
    --bubble-user: #2563eb;
    --bubble-ai: #f1f5f9;
    --border-color: #e2e8f0;
    --success: #10b981;
    --error: #f43f5e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.glass-container {
    width: 100%;
    max-width: 1300px;
    height: 100%;
    background: var(--panel-bg);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

header {
    padding: 16px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    z-index: 10;
}

.logo-area h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
}

.logo-area h1 span {
    color: var(--accent-primary);
}

.session-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn {
    padding: 8px 16px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn.primary {
    background: var(--accent-primary);
    color: white;
}

.btn.primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.btn.secondary {
    background: white;
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn.secondary:hover:not(:disabled) {
    background: #f8fafc;
    border-color: var(--accent-primary);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.session-info {
    font-size: 0.8rem;
    color: var(--text-dim);
    background: #f1f5f9;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.car-range {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--text-dim);
    background: #f1f5f9;
    padding: 4px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.car-range input {
    width: 90px;
    padding: 4px 6px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--panel-bg);
    color: var(--text-main);
}

/* Layout Grid */
.dashboard-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 380px;
    overflow: hidden;
    background: #f8fafc;
    padding: 16px;
    gap: 16px;
}

.chat-section {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    height: 100%;
}

.panel-header {
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-small {
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--accent-primary);
    transition: all 0.2s;
}

.btn-small:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}


.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 0; /* CRITICAL FIX: Allow flex content to shrink */
}

/* Friendly Message Bubbles */
.message {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user {
    align-self: flex-end;
    background: var(--bubble-user);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.assistant {
    align-self: flex-start;
    background: var(--bubble-ai);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
    white-space: pre-wrap;
}

/* The `list` field of a comparison reply. white-space on the bubble is pre-wrap, which would
   otherwise add blank lines around every cell. */
/* The fixed-width comparison table, shown as WhatsApp shows it. The font must be monospace
   or the columns the prompt spent its width budget aligning will not line up. */
.wa-table {
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.82em;
    line-height: 1.45;
    white-space: pre;
    overflow-x: auto;
    margin: 10px 0;
    padding: 8px 10px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.comparison-table {
    white-space: normal;
    border-collapse: collapse;
    margin-top: 10px;
    width: 100%;
    font-size: 0.88em;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid var(--border-color);
    padding: 5px 8px;
    text-align: left;
    vertical-align: top;
}

.comparison-table th {
    background: rgba(59, 130, 246, 0.08);
    font-weight: 600;
}

.comparison-table td.attribute {
    font-weight: 600;
    white-space: nowrap;
}

.message.system {
    align-self: center;
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
    font-size: 0.8rem;
}

/* Input Area */
.input-area {
    padding: 16px 24px;
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
}

textarea {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #f8fafc;
    resize: none;
    height: 50px;
    outline: none;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

textarea:focus {
    border-color: var(--accent-primary);
    background: white;
}

.icon-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: white;
    border-radius: 12px;
    border: none;
    cursor: pointer;
}

/* Insights Column */
.insights-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    height: 100%;
}

.glass-panel {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.insights-section h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.trigger-box {
    background: #f1f5f9;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    font-weight: bold;
}

.trigger-active {
    color: var(--success);
}

.json-viewer, .scroll-box {
    background: #1e293b;
    color: #e2e8f0;
    padding: 12px;
    border-radius: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    overflow: auto;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal.hidden { display: none; }

.modal-content {
    width: 90%;
    max-width: 900px;
    max-height: 80vh;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    background: #1e293b;
    color: #e2e8f0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dim);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: 12px;
    background: var(--text-main);
    color: white;
    z-index: 200;
    transition: opacity 0.3s;
}

.toast.hidden { opacity: 0; pointer-events: none; }
.toast.error { background: var(--error); }

/* Tool Calls Panel */
.tool-calls-box {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-call-item {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tool-name {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.tool-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tool-param {
    background: #e0e7ff;
    color: #3730a3;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 6px;
}

.tool-result-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 6px;
    align-self: flex-start;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warn {
    background: #fef3c7;
    color: #92400e;
}

.badge-error {
    background: #fee2e2;
    color: #991b1b;
}